1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20 package org.apache.myfaces.orchestra.filter; 21 22 import java.io.IOException; 23 24 import javax.servlet.Filter; 25 import javax.servlet.FilterChain; 26 import javax.servlet.FilterConfig; 27 import javax.servlet.ServletException; 28 import javax.servlet.ServletRequest; 29 import javax.servlet.ServletResponse; 30 31 import org.apache.myfaces.orchestra.CoreConfig; 32 33 /** 34 * Perform a number of useful per-request tasks. 35 * <p> 36 * This filter has been deprecated. The configuration settings it supports are 37 * still implemented; however web.xml files defining this filter should instead 38 * simply define context params using the corresponding constants from class 39 * org.apache.myfaces.orchestra.CoreConfig instead. 40 * <p> 41 * <h2>Request Serialization</h2> 42 * Request serialization functionality can be enabled or disabled via a filter init 43 * parameter; setting "serializeRequests" to "false" disables this feature. Default 44 * value: true (enabled). 45 * <p> 46 * See {@link org.apache.myfaces.orchestra.CoreConfig#SERIALIZE_REQUESTS} for further details. 47 * <p> 48 * <h2>JDBC Connection Management</h2> 49 * This servlet always enables connection management; see 50 * {@link org.apache.myfaces.orchestra.CoreConfig#CLEANUP_CONNECTIONS} 51 * for further details. 52 */ 53 54 public class OrchestraServletFilter implements Filter 55 { 56 /** 57 * This filter init property can be set to "true" or "false". Default: "true". 58 */ 59 public final static String SERIALIZE_REQUESTS = "serializeRequests"; // NON-NLS 60 61 private boolean serializeRequests = true; 62 63 public void init(FilterConfig filterConfig) throws ServletException 64 { 65 String value = filterConfig.getInitParameter(SERIALIZE_REQUESTS); 66 if ("false".equals(value)) // NON-NLS 67 { 68 serializeRequests = false; 69 } 70 } 71 72 public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, 73 final FilterChain filterChain) throws IOException, ServletException 74 { 75 // Copy the setting over to where the ContextLockRequestHandler class can see it. 76 servletRequest.setAttribute(CoreConfig.SERIALIZE_REQUESTS, Boolean.valueOf(serializeRequests)); 77 filterChain.doFilter(servletRequest, servletResponse); 78 } 79 80 public void destroy() 81 { 82 } 83 }